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2026-03-13 - 05:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Mar 13, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26826212769,6sleep10-21swapper/119:09:391
26785212381,8sleep20-21swapper/219:09:082
2577421230,2sleep30-21swapper/319:05:193
266962111101,7sleep00-21swapper/019:07:580
205942580,0sleep00-21swapper/023:20:180
13522580,1sleep11357-21gltestperf22:35:141
268992540,1sleep126902-21kthreadcore19:35:171
2703199351,27cyclictest0-21swapper/222:23:472
2702299300,29cyclictest0-21swapper/020:05:110
2703199281,26cyclictest0-21swapper/222:56:262
2703199270,26cyclictest0-21swapper/222:40:052
2703199270,26cyclictest0-21swapper/220:41:582
2702799270,26cyclictest0-21swapper/123:31:211
2702799270,26cyclictest0-21swapper/123:17:501
2702799270,26cyclictest0-21swapper/123:07:201
2702799270,26cyclictest0-21swapper/121:58:161
2702799270,26cyclictest0-21swapper/121:35:131
2702799270,26cyclictest0-21swapper/121:01:001
2702799270,26cyclictest0-21swapper/120:05:521
2702799270,26cyclictest0-21swapper/100:20:251
2702799270,26cyclictest0-21swapper/100:14:031
2702799270,26cyclictest0-21swapper/100:04:061
2702799270,21cyclictest0-21swapper/119:33:051
2703199260,25cyclictest0-21swapper/223:42:362
2703199260,25cyclictest0-21swapper/219:23:172
2702799260,25cyclictest0-21swapper/122:48:411
2702799260,25cyclictest0-21swapper/120:27:211
2702799260,25cyclictest0-21swapper/120:14:451
27031992522,2cyclictest0-21swapper/223:29:212
27031992522,2cyclictest0-21swapper/220:56:522
2703199250,24cyclictest0-21swapper/221:31:182
27027992523,2cyclictest0-21swapper/122:14:441
27027992522,3cyclictest0-21swapper/120:17:311
2702799250,24cyclictest0-21swapper/120:35:391
27031992422,2cyclictest0-21swapper/200:18:392
2703199240,23cyclictest0-21swapper/200:11:212
27027992421,3cyclictest0-21swapper/119:24:411
27027992416,8cyclictest0-21swapper/123:43:421
27027992415,8cyclictest0-21swapper/122:16:021
2702799240,23cyclictest0-21swapper/122:09:141
2702799240,23cyclictest0-21swapper/122:00:471
27031992321,2cyclictest0-21swapper/223:18:462
2703199231,21cyclictest0-21swapper/222:52:562
2703199231,21cyclictest0-21swapper/222:38:462
2703199230,22cyclictest0-21swapper/220:04:592
27027992321,2cyclictest0-21swapper/119:19:241
2702799230,22cyclictest0-21swapper/121:22:281
2702799230,22cyclictest0-21swapper/120:43:161
2702299230,16cyclictest0-21swapper/021:26:320
27031992218,3cyclictest0-21swapper/222:46:532
2703199221,3cyclictest0-21swapper/200:27:092
2703199221,20cyclictest0-21swapper/221:51:252
2703199221,20cyclictest0-21swapper/221:16:272
2703199221,18cyclictest32232-21/usr/sbin/munin20:10:102
2703199220,5cyclictest0-21swapper/200:35:172
27027992220,2cyclictest0-21swapper/120:33:521
27027992217,4cyclictest0-21swapper/121:34:581
2702799220,3cyclictest0-21swapper/119:53:041
2702799220,21cyclictest0-21swapper/122:23:041
2702799220,21cyclictest0-21swapper/120:53:091
27022992220,1cyclictest25576-21sleep23:55:000
2702299220,21cyclictest0-21swapper/022:19:110
27031992119,2cyclictest0-21swapper/220:19:402
27031992118,3cyclictest0-21swapper/200:05:452
27031992118,2cyclictest0-21swapper/222:28:382
27031992117,3cyclictest0-21swapper/223:58:572
27031992117,3cyclictest0-21swapper/220:25:012
27031992117,3cyclictest0-21swapper/219:34:112
27031992117,2cyclictest29629-21grep23:00:142
2703199211,3cyclictest0-21swapper/221:40:102
2703199210,20cyclictest0-21swapper/219:36:472
2703199210,20cyclictest0-21swapper/219:15:062
2703199210,20cyclictest0-21swapper/219:11:332
2703199210,20cyclictest0-21swapper/200:22:342
2702799215,15cyclictest0-21swapper/119:40:201
27027992118,3cyclictest0-21swapper/121:52:161
27027992113,7cyclictest0-21swapper/100:08:231
2702799210,20cyclictest0-21swapper/123:28:001
2702799210,20cyclictest0-21swapper/123:13:381
2702799210,20cyclictest0-21swapper/122:40:171
2702799210,20cyclictest0-21swapper/121:26:221
2702799210,20cyclictest0-21swapper/120:24:271
2702299210,20cyclictest0-21swapper/019:35:000
211902219,3sleep30-21swapper/322:20:523
299422208,3sleep30-21swapper/321:34:213
27031992018,2cyclictest0-21swapper/220:08:042
27031992018,1cyclictest749-21snmpd23:48:002
27031992018,1cyclictest749-21snmpd23:35:032
27031992018,1cyclictest749-21snmpd23:30:452
27031992018,1cyclictest749-21snmpd23:08:292
27031992018,1cyclictest749-21snmpd22:12:252
27031992018,1cyclictest749-21snmpd21:56:072
27031992018,1cyclictest749-21snmpd19:52:402
27031992018,1cyclictest749-21snmpd19:26:152
27031992017,2cyclictest0-21swapper/223:50:162
27031992017,2cyclictest0-21swapper/220:31:072
27031992017,2cyclictest0-21swapper/219:45:142
27031992015,4cyclictest0-21swapper/221:21:552
2703199200,2cyclictest0-21swapper/222:30:162
2703199200,19cyclictest0-21swapper/223:10:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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